Cheap flights from Sydney to San Diego from $905

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in September or October, booked 16 days in advance, depart on a Monday or Thursday and return on a Monday

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Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Thu 25/1216:00SYD - SAN
1 stop20h 24mAir Canada
Tue 6/118:05SAN - SYD
2 stops25h 35mAir Canada
Deal found 20/11$2,063
Wed 24/1211:20SYD - SAN
1 stop25h 04mAir Canada
Thu 8/112:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 20/11$2,208
Thu 25/1217:45SYD - SAN
2 stops33h 48mAmerican Airlines
Mon 5/110:42SAN - SYD
2 stops25h 43mAmerican Airlines
Deal found 20/11$2,224
Wed 24/1214:00SYD - SAN
1 stop23h 43mUnited Airlines
Mon 5/119:55SAN - SYD
1 stop18h 20mUnited Airlines
Deal found 20/11$2,228
Sun 28/1211:20SYD - SAN
2 stops44h 24mAmerican Airlines
Mon 5/106:15SAN - SYD
2 stops30h 10mAmerican Airlines
Deal found 20/11$2,288
Fri 26/1221:25SYD - SAN
2 stops31h 24mAmerican Airlines
Mon 5/112:58SAN - SYD
2 stops23h 27mAmerican Airlines
Deal found 20/11$2,299
Sat 27/1210:40SYD - SAN
2 stops24h 18mDelta
Tue 6/113:29SAN - SYD
2 stops22h 21mDelta
Deal found 20/11$2,304
Sun 28/1211:20SYD - SAN
1 stop19h 43mAir Canada
Thu 8/118:05SAN - SYD
1 stop20h 30mAir Canada
Deal found 20/11$2,358
Thu 25/1214:15SYD - SAN
1 stop26h 23mDelta
Tue 6/106:35SAN - SYD
1 stop29h 15mDelta
Deal found 20/11$2,361
Sat 27/1214:15SYD - SAN
2 stops20h 43mDelta
Fri 9/119:35SAN - SYD
1 stop40h 15mDelta
Deal found 20/11$2,378
Tue 16/1221:40SYD - SAN
2 stops28h 41mAlaska Airlines
Wed 7/118:45SAN - SYD
2 stops30h 00mAlaska Airlines
Deal found 20/11$2,384
Thu 18/1221:40SYD - SAN
2 stops20h 34mAlaska Airlines
Thu 25/1217:13SAN - SYD
2 stops31h 32mAlaska Airlines
Deal found 20/11$2,411

Cheap flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2025.

Round-trip from

$1,599

One-way from

$905

Popular in

January

Cheapest in

September

Average price

$1,502
Alaska Airlines
  • Alaska Airlines
  • 5/5-2/6
  • 3 total stops
  • 60h 00m total
  • Sydney to San Diego
Alaska Airlines
  • Alaska Airlines
  • 7/3
  • 2 total stops
  • 27h 47m total
  • Sydney to San Diego
Highest demand for flights based on searches. 16% potential increase in price ($522 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($86 potential savings vs. average return price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Sydney

Fly to

San Diego

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 5/5

21:40-07:30

2 stops26h 50m

San Diego

Tue 2/6

17:35-19:45

1 stop33h 10m

$1,599

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 5/5

09:20-21:53

1 stop29h 33m

San Diego

Tue 2/6

17:00-07:20

1 stop21h 20m

$1,683

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 15/1

16:00-12:03

1 stop39h 03m

San Diego

Sat 31/1

18:05-16:40

2 stops27h 35m

$1,729

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 15/1

10:40-15:40

1 stop24h 00m

San Diego

Sat 31/1

14:55-08:30

1 stop22h 35m

$1,865

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 24/12

14:00-19:57

2 stops24h 57m

San Diego

Mon 5/1

11:12-06:20

2 stops24h 08m

$2,228

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 25/12

12:10-14:58

1 stop21h 48m

San Diego

Sun 4/1

11:12-06:20

2 stops24h 08m

$2,228

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 25/12

14:00-17:34

2 stops22h 34m

San Diego

Sat 3/1

19:55-06:20

1 stop39h 25m

$2,228

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 24/12

12:10-15:01

2 stops21h 51m

San Diego

Tue 6/1

09:55-09:15

1 stop28h 20m

$2,228

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 24/12

14:00-19:57

2 stops24h 57m

San Diego

Sun 4/1

11:12-06:20

2 stops24h 08m

$2,228

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 25/12

14:00-13:02

1 stop18h 02m

San Diego

Mon 5/1

11:12-06:20

2 stops24h 08m

$2,228

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 14 November 2025.

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $941). Flying from Sydney to San Diego in June is currently the most expensive (average of $1,398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to SAN?

Find hourly flight availability from Sydney to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

It’s typically best to fly out from Sydney to San Diego in the evening. Doing so could potentially save you 35% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Sydney to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 21 November 2025.
Read reviews from past customers who have flown with Air New Zealand, Hawaiian Airlines, andVirgin Australia from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Overall

8.0

Entertainment

7.5

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Sydney to San Diego?

    Alaska Airlines, Air Canada, and Delta can get you from Sydney to San Diego in just under 24h. Your travel time can differ by up to 5h 33m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Hawaiian Airlines, at $734, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Air Canada and Air New Zealand. Users have found that Hawaiian Airlines is 56% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Sydney to San Diego one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $1,071. Air Canada flights start at $1,153 while deals on Delta start at $1,171 one-way.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $941). Flying from Sydney to San Diego in June is currently the most expensive (average of $1,398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

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Top 5 airlines flying from Sydney to San Diego

Discover the top 5 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$734Average$1,792FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,140Average$1,455FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,205Average$1,416FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,287Average$1,665FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,592Average$2,516FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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